Honda BF115A, BF130A Outboard Motors Shop Manual., Page 421Get this manual
5PROGRAMMED FUEL INJECTION (PGM-FI)i i5Amw1so 1FUEL LINES 2FUEL STRAINER (HIGH PRESSURE SIDE)
3VAPOR SEPARATORIFUEL PUMP UNIT
1FUEL LINES
HOW TO RELIEVE FUEL PRESSURE
Gasoline is highly flammable and explosiveYou can be burned or seriously injured when handling fuelKeep heat, sparks, and flame awayHandle fuel only outdoorsWipe spills immediatelyDisconnect the battery cable from the battery negative (4 terminal before relieving the fuel pressureReplace the sealing washer when the service check bolt is loosened or removedRemove the engine cover (P4-1 of the base shop manual)Set wrench on the service check bolt beside the fuel strainer (high pressure side)Place shop towel or equivalent material over the service check boltLoosen the service check bolt approximately one turn slowly to relieve the fuel pressureAfter relieving the fuel pressure, remove the service check bolt and replace the sealing washer with new oneTighten the service check bolt with the specified torqueTORQUE: 12 N-m (1.2 kgfom, Ibfoft)